upgrade to filament v4

app/Filament/Resources/Clients/Pages/GeneralLedger.php

@@ -1,8 +1,8 @@
 <?php
 
-namespace App\Filament\Resources\ClientResource\Pages;
+namespace App\Filament\Resources\Clients\Pages;
 
-use App\Filament\Resources\ClientResource;
+use App\Filament\Resources\Clients\ClientResource;
 use App\Models\Ledger;
 use Filament\Resources\Pages\Page;
 use Filament\Tables\Concerns\InteractsWithTable;
@@ -25,9 +25,9 @@ class GeneralLedger extends Page implements HasTable
 
     protected static string $resource = ClientResource::class;
 
-    protected static ?string $navigationIcon = 'heroicon-o-document-text';
+    protected static string | \BackedEnum | null $navigationIcon = 'heroicon-o-document-text';
 
-    protected static string $view = 'filament.resources.client-resource.pages.general-ledger';
+    protected string $view = 'filament.resources.client-resource.pages.general-ledger';
 
     public function mount(int | string $record): void
     {
@@ -79,7 +79,7 @@ class GeneralLedger extends Page implements HasTable
                     ->searchable()
                     ->preload(),
                 Filter::make('date_range')
-                    ->form([
+                    ->schema([
                         DatePicker::make('from'),
                         DatePicker::make('to'),
                     ])